J3420 — Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg
545,989 observed fee-for-service (49%) · ~573,334 estimated Medicare Advantage. Scaled from the observed floor by each state’s fee-for-service share (FFS share as of 2024) — scaled estimate — assumes MA utilization mirrors FFS; not an observation; 1 state without payer-mix data excluded. How we scale
Disclosed Medicare fee-for-service services by billing state; open a bar for that state's ranked market. Average submitted charge / service by billing state, among the highest-volume states; open a bar for that state's ranked market.
- Market position — where this market sits on volume and growth among all state markets, and its rank.
- Worth a look — every state market for this search, ranked by a published score: size, growth, fragmentation, below-expected volume.
- Lookalike opportunities — groups billing below what peers of the same specialty, size, and state predict, with the expected figure shown.
- National benchmarks — where each group's volume sits nationally and within its specialty.
- Market structure — how concentrated this market is, and who owns the volume.
- Medicare-wide scaling — the exact payer split, and this market total scaled to all of Medicare, labeled as an estimate.
Nevvi's market analytics platform — code baskets, market structure and share, the twelve-year trend layer — is built and not launched yet. We're gathering interest in it.
Notify me at launch →| # | Physician group | City | St | Specialty | Providers | J3420 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 54,937 | $330,015 | $6 | premium | 36.4% | (239) 561-9622 |
| 2 | NEUROPATHY TREATMENT CLINIC OF OKLAHOMA LLC | TULSA | OK | NURSE PRACTITIONER | 4 | 5,303 | $95,454 | $18 | premium | 27.8% | (918) 708-1816 |
| 3 | MILLENNIUM PHYSICIAN GROUP LLC | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 953 | 3,938 | $11,083 | $3 | premium | 2.6% | (941) 255-3535 |
| 4 | TENNESSEE CANCER SPECIALISTS PLLC | KNOXVILLE | TN | NURSE PRACTITIONER | 65 | 3,712 | $42,292 | $11 | premium | 9.3% | (865) 934-5800 |
| 5 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | CA | HEMATOLOGY/ONCOLOGY | 62 | 3,533 | $35,330 | $10 | premium | 2.5% | (559) 326-1222 |
| 6 | CONSOLIDATED MEDICAL PRACTICES OF MEMPHIS,PLLC | MEMPHIS | TN | NURSE PRACTITIONER | 114 | 3,318 | $50,418 | $15 | premium | 8.3% | (901) 261-0700 |
| 7 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 2,769 | $38,530 | $14 | premium | 2.0% | (916) 681-8852 |
| 8 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 2,753 | $26,914 | $10 | premium | 4.1% | (212) 263-9700 |
| 9 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | AR | HEMATOLOGY/ONCOLOGY | 333 | 2,583 | $15,498 | $6 | premium | 20.6% | (260) 484-8830 |
| 10 | NORTH MISSISSIPPI MEDICAL CLINICS INC | TUPELO | MS | FAMILY PRACTICE | 121 | 2,549 | $25,490 | $10 | premium | 13.4% | (662) 377-5300 |
| 11 | SLOCUM DICKSON MEDICAL GROUP PLLC | NEW HARTFORD | NY | PHYSICIAN ASSISTANT | 93 | 2,548 | $22,898 | $9 | premium | 3.8% | (315) 798-1500 |
| 12 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 2,546 | $48,374 | $19 | premium | 12.2% | — |
| 13 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 2,339 | $44,441 | $19 | premium | 11.8% | (301) 982-9800 |
| 14 | OKLAHOMA ARTHRITIS CENTER, P.C. | EDMOND | OK | PHYSICIAN ASSISTANT | 45 | 2,298 | $41,274 | $18 | premium | 12.0% | — |
| 15 | CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS SC | DECATUR | IL | HEMATOLOGY/ONCOLOGY | 30 | 2,225 | $38,260 | $17 | premium | 6.9% | (217) 876-4700 |
| 16 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 2,162 | $27,242 | $13 | premium | 6.7% | (309) 243-3000 |
| 17 | GRAVES GILBERT CLINIC PLLC | BOWLING GREEN | KY | NURSE PRACTITIONER | 221 | 2,122 | $19,994 | $9 | premium | 13.5% | (270) 781-4043 |
| 18 | SOUTHEASTERN MEDICAL ONCOLOGY CENTER | GOLDSBORO | NC | HEMATOLOGY/ONCOLOGY | 11 | 2,108 | $21,080 | $10 | premium | 6.5% | (919) 580-0000 |
| 19 | SUMMIT MEDICAL GROUP, PLLC | KNOXVILLE | TN | FAMILY PRACTICE | 622 | 2,046 | $6,591 | $3 | premium | 5.1% | (865) 938-3627 |
| 20 | BASS MEDICAL GROUP | WALNUT CREEK | CA | OTOLARYNGOLOGY | 318 | 2,020 | $50,500 | $25 | premium | 1.4% | — |
| 21 | IMPERIAL VALLEY FAMILY CARE MEDICAL GROUP A P C | EL CENTRO | CA | FAMILY PRACTICE | 23 | 1,999 | $19,961 | $10 | premium | 1.4% | (760) 353-6363 |
| 22 | JACKSON CLINIC PA | JACKSON | TN | NURSE PRACTITIONER | 183 | 1,970 | $11,820 | $6 | premium | 4.9% | (731) 422-0213 |
| 23 | WILLIS SENIOR HOUSECALLS PLLC | MCKINNEY | TX | NURSE PRACTITIONER | 4 | 1,962 | $39,807 | $20 | premium | 6.2% | (214) 491-4191 |
| 24 | PRIVIA MEDICAL GROUP OF GEORGIA LLC | FAYETTEVILLE | GA | NURSE PRACTITIONER | 453 | 1,938 | $9,257 | $5 | premium | 5.1% | — |
| 25 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 1,906 | $6,342 | $3 | premium | 4.8% | (615) 385-3751 |
| 26 | HOBDARI FAMILY HEALTH LLC | NAPLES | FL | FAMILY PRACTICE | 4 | 1,901 | $19,010 | $10 | premium | 1.3% | (239) 260-1033 |
| 27 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 1,878 | $13,041 | $7 | premium | 7.8% | — |
| 28 | ARTHRITIS CLINIC INC | BROOKSVILLE | FL | RHEUMATOLOGY | 2 | 1,849 | $46,250 | $25 | premium | 1.2% | (352) 596-6333 |
| 29 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 1,845 | $23,620 | $13 | premium | 5.6% | (704) 667-1000 |
| 30 | MICHIGAN HEALTHCARE PROFESSIONALS PC | FARMINGTON HILLS | MI | INTERNAL MEDICINE | 518 | 1,841 | $11,487 | $6 | premium | 7.3% | (248) 477-0552 |
| 31 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 1,826 | $21,912 | $12 | premium | 14.6% | — |
| 32 | ONCOLOGY SPECIALTIES, P.C. | HUNTSVILLE | AL | NURSE PRACTITIONER | 93 | 1,821 | $11,289 | $6 | premium | 5.1% | (256) 705-4224 |
| 33 | REGIONAL CANCER CARE ASSOCIATES LLC | HACKENSACK | NJ | HEMATOLOGY/ONCOLOGY | 153 | 1,809 | $34,371 | $19 | premium | 4.7% | (201) 996-2210 |
| 34 | BAPTIST PRIMARY CARE INC | JACKSONVILLE | FL | FAMILY PRACTICE | 446 | 1,800 | $7,200 | $4 | premium | 1.2% | — |
| 35 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 1,701 | $32,319 | $19 | premium | 20.8% | (702) 952-2140 |
| 36 | TITAN HEALTH PARTNERS LLC | EAST BRUNSWICK | NJ | HEMATOLOGY/ONCOLOGY | 92 | 1,691 | $12,460 | $7 | premium | 4.4% | (732) 390-7750 |
| 37 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 1,660 | $24,900 | $15 | premium | 13.2% | (479) 361-2585 |
| 38 | CENTRAL DUPAGE PHYSICIAN GROUP | WHEATON | IL | PHYSICIAN ASSISTANT | 1097 | 1,627 | $18,754 | $12 | premium | 5.0% | (630) 933-4800 |
| 39 | WILLIAM NOYES MD PC | GRAND FORKS | ND | MEDICAL ONCOLOGY | 4 | 1,615 | $9,678 | $6 | premium | 57.6% | (701) 787-5800 |
| 40 | ILLINOIS CANCER SPECIALISTS | ARLINGTON HEIGHTS | IL | HEMATOLOGY/ONCOLOGY | 29 | 1,611 | $27,387 | $17 | premium | 5.0% | (847) 259-4482 |
| 41 | MCFARLAND CLINIC PC | AMES | IA | PHYSICIAN ASSISTANT | 352 | 1,445 | $5,780 | $4 | premium | 43.2% | (515) 239-4400 |
| 42 | UNIVERSITY CANCER AND BLOOD CENTER LLC | ATHENS | GA | NURSE PRACTITIONER | 56 | 1,429 | $9,960 | $7 | premium | 3.8% | (706) 353-2990 |
| 43 | HATTIESBURG CLINIC PA | HATTIESBURG | MS | FAMILY PRACTICE | 530 | 1,416 | $16,992 | $12 | premium | 7.4% | (601) 264-6000 |
| 44 | ST. DOMINIC MEDICAL ASSOCIATES LLC | MADISON | MS | NURSE PRACTITIONER | 124 | 1,400 | $8,400 | $6 | premium | 7.3% | — |
| 45 | STILLWATER MEDICAL CENTER AUTHORITY | STILLWATER | OK | PHYSICIAN ASSISTANT | 166 | 1,395 | $20,925 | $15 | premium | 7.3% | (405) 372-1480 |
| 46 | SOUTHERN ONCOLOGY SPECIALISTS PLLC | HUNTERSVILLE | NC | PHYSICIAN ASSISTANT | 13 | 1,383 | $10,229 | $7 | premium | 4.2% | (704) 947-5005 |
| 47 | CORA HEALTH SERVICES INC | THE VILLAGES | FL | ORTHOPEDIC SURGERY | 1187 | 1,383 | $18,642 | $13 | premium | 0.9% | (352) 693-3378 |
| 48 | ERIK LUNDQUIST MD INC | TEMECULA | CA | FAMILY PRACTICE | 3 | 1,307 | $6,535 | $5 | premium | 0.9% | 9513834333826 |
| 49 | IRONWOOD PHYSICIANS PC | MESA | AZ | HEMATOLOGY/ONCOLOGY | 114 | 1,306 | $10,448 | $8 | premium | 5.8% | (480) 981-1326 |
| 50 | ADVENTIST HEALTH PHYSICIANS NETWORK | HANFORD | CA | NURSE PRACTITIONER | 651 | 1,298 | $12,529 | $10 | premium | 0.9% | (559) 583-4695 |
| 51 | PHYSICIANS AND SURGEONS INC | PULASKI | TN | NURSE PRACTITIONER | 6 | 1,278 | $31,512 | $25 | premium | 3.2% | 9313632511207 |
| 52 | LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP | LOS ANGELES | CA | HEMATOLOGY/ONCOLOGY | 51 | 1,229 | $4,813 | $4 | premium | 0.9% | (213) 977-1214 |
| 53 | WATSON CLINIC LLP | LAKELAND | FL | NURSE PRACTITIONER | 363 | 1,225 | $7,350 | $6 | premium | 0.8% | (863) 680-7780 |
| 54 | COTTON-O'NEIL CLINIC REVOCABLE TRUST | TOPEKA | KS | NURSE PRACTITIONER | 649 | 1,212 | $6,060 | $5 | premium | 15.3% | (785) 354-9591 |
| 55 | HEM ONC ASSOCIATES OF THE TREASURE COAST, PA | PORT SAINT LUCIE | FL | HEMATOLOGY/ONCOLOGY | 6 | 1,211 | $7,266 | $6 | premium | 0.8% | (772) 335-5666 |
| 56 | VIRGINIA CANCER INSTITUTE INCORPORATED | NORTH CHESTERFIELD | VA | HEMATOLOGY/ONCOLOGY | 50 | 1,205 | $3,929 | $3 | premium | 5.8% | (804) 330-7990 |
| 57 | UNIVERSITY PRIMARY CARE PRACTICES INC | CONNEAUT | OH | FAMILY PRACTICE | 1067 | 1,197 | $9,410 | $8 | premium | 9.1% | — |
| 58 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | FL | HEMATOLOGY/ONCOLOGY | 333 | 1,180 | $7,080 | $6 | premium | 0.8% | (260) 484-8830 |
| 59 | ONCOLOGY AND HEMATOLOGY SPECIALISTS,P.A. | MORRISTOWN | NJ | HEMATOLOGY/ONCOLOGY | 5 | 1,177 | $11,770 | $10 | premium | 3.0% | (973) 267-9543 |
| 60 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | GA | HEMATOLOGY/ONCOLOGY | 333 | 1,155 | $6,960 | $6 | premium | 3.1% | (260) 484-8830 |
| 61 | SPARTANBURG MEDICAL CENTER | SPARTANBURG | SC | NURSE PRACTITIONER | 1070 | 1,153 | $17,295 | $15 | premium | 4.8% | (864) 587-3000 |
| 62 | PCP ASSOCIATES OF PASADENA PA | PASADENA | TX | FAMILY PRACTICE | 4 | 1,143 | $17,145 | $15 | premium | 3.6% | (713) 943-8229 |
| 63 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 1,125 | $10,323 | $9 | premium | 7.1% | (502) 928-1050 |
| 64 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 1,117 | $21,223 | $19 | premium | 14.1% | (316) 262-4467 |
| 65 | PINEHURST MEDICAL CLINIC INC | PINEHURST | NC | PHYSICIAN ASSISTANT | 156 | 1,103 | $23,163 | $21 | premium | 3.4% | (910) 295-5511 |
| 66 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 1,094 | $4,909 | $4 | premium | 0.8% | (626) 256-4673 |
| 67 | NAIM T. NAZHA MD PC | NORTHFIELD | NJ | MEDICAL ONCOLOGY | 2 | 1,072 | $4,749 | $4 | premium | 2.8% | (609) 383-6033 |
| 68 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 1,063 | $5,963 | $6 | premium | 1.6% | (914) 241-1050 |
| 69 | FAMILY CHOICE ACO INC | WESTMINSTER | CA | FAMILY PRACTICE | 62 | 1,058 | $40,260 | $38 | premium | 0.8% | (714) 898-0765 |
| 70 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 1,056 | $10,500 | $10 | premium | 4.6% | — |
| 71 | REHABILITATION ASSOCIATES INC | FAIRFIELD | CT | ORTHOPEDIC SURGERY | 532 | 1,048 | $10,464 | $10 | premium | 18.4% | (203) 384-8681 |
| 72 | SOUTH CAROLINA ONCOLOGY ASSOC PA | COLUMBIA | SC | HEMATOLOGY/ONCOLOGY | 18 | 1,046 | $30,334 | $29 | premium | 4.4% | (803) 461-3000 |
| 73 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 1,043 | $5,750 | $6 | premium | 2.7% | (908) 273-4300 |
| 74 | INLAND RHEUMATOLOGY AND OSTEOPOROSIS MEDICAL GROUP INC | UPLAND | CA | RHEUMATOLOGY | 4 | 1,038 | $10,380 | $10 | premium | 0.7% | (909) 982-0099 |
| 75 | ALABAMA MEDICAL GROUP PC | MOBILE | AL | PHYSICIAN ASSISTANT | 40 | 1,031 | $7,110 | $7 | premium | 2.9% | (251) 414-5900 |
| 76 | NOVANT HEALTH MEDICAL GROUP, LLC | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2389 | 1,029 | $12,348 | $12 | premium | 3.1% | (704) 384-8200 |
| 77 | EAST TEXAS FUNCTIONAL MEDICINE CENTER, LLC | TYLER | TX | NURSE PRACTITIONER | 3 | 1,018 | $101,800 | $100 | premium | 3.2% | (903) 595-8077 |
| 78 | CHRISTIE CLINIC, PLLC | CHAMPAIGN | IL | INTERNAL MEDICINE | 220 | 1,014 | $4,056 | $4 | premium | 3.1% | (217) 366-1200 |
| 79 | HORIZON MEDICAL GROUP PC | CHESTER | NY | GASTROENTEROLOGY | 69 | 999 | $6,240 | $6 | premium | 1.5% | (845) 469-4211 |
| 80 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | MD | HEMATOLOGY/ONCOLOGY | 333 | 945 | $5,891 | $6 | premium | 4.8% | (260) 484-8830 |
| 81 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 944 | $7,496 | $8 | premium | 0.7% | (310) 423-0674 |
| 82 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NJ | NURSE PRACTITIONER | 1404 | 931 | $4,153 | $4 | premium | 2.4% | (973) 971-5596 |
| 83 | MERCED FACULTY ASSOCIATES MEDICAL GROUP INCORPORATED | MERCED | CA | FAMILY PRACTICE | 27 | 930 | $13,950 | $15 | premium | 0.7% | (209) 722-9066 |
| 84 | BIRMINGHAM HEMATOLOGY ONCOLOGY ASSOC LLC | BIRMINGHAM | AL | MEDICAL ONCOLOGY | 31 | 925 | $11,100 | $12 | premium | 2.6% | (205) 592-5077 |
| 85 | ST LUKES PHYSICIAN GROUP INC | BETHLEHEM | PA | PHYSICIAN ASSISTANT | 2164 | 923 | $6,461 | $7 | premium | 4.0% | (484) 526-2400 |
| 86 | LAGRANGE INTERNAL MEDICINE, PC | LAGRANGE | GA | INTERNAL MEDICINE | 8 | 917 | $4,585 | $5 | premium | 2.4% | (706) 882-9341 |
| 87 | THE WEST CLINIC P.C. | GERMANTOWN | TN | NURSE PRACTITIONER | 113 | 915 | $5,354 | $6 | premium | 2.3% | (901) 683-0055 |
| 88 | ONCOLOGY HEMATOLOGY WEST PC | OMAHA | NE | PHYSICIAN ASSISTANT | 55 | 913 | $8,862 | $10 | premium | 14.1% | (402) 393-3110 |
| 89 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 878 | $8,602 | $10 | premium | 5.4% | — |
| 90 | SCIOMETRIX INC | MENANDS | CA | INTERNAL MEDICINE | 45 | 870 | $43,500 | $50 | premium | 0.6% | (248) 369-3315 |
| 91 | SUNMED HEALTH AND WEIGHT MANAGEMENT A PROFESSIONAL MED CORP | VISALIA | CA | NURSE PRACTITIONER | 4 | 870 | $3,891 | $4 | premium | 0.6% | (559) 972-7771 |
| 92 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 867 | $10,369 | $12 | premium | 0.6% | (916) 983-7476 |
| 93 | NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC | SMITHTOWN | NY | NURSE PRACTITIONER | 462 | 861 | $5,930 | $7 | premium | 1.3% | (631) 751-3000 |
| 94 | SOLANO HEMATOLOGY - ONCOLOGY | VALLEJO | CA | HEMATOLOGY/ONCOLOGY | 3 | 860 | $6,029 | $7 | premium | 0.6% | (707) 551-3300 |
| 95 | BAYCARE MEDICAL GROUP, INC. | CLEARWATER | FL | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 1526 | 851 | $4,157 | $5 | premium | 0.6% | (727) 725-5060 |
| 96 | LEGACY HEALTHCARE SERVICES INC | DURHAM | FL | INTERNAL MEDICINE | 3859 | 838 | $35,414 | $42 | premium | 0.6% | (919) 419-9600 |
| 97 | PIEDMONT CANCER INSTITUTE PC | ATLANTA | GA | PHYSICIAN ASSISTANT | 42 | 830 | $4,980 | $6 | premium | 2.2% | (404) 350-9853 |
| 98 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 813 | $9,756 | $12 | premium | 1.2% | — |
| 99 | GEORGETOWN PHYSICIAN ASSOCIATES, LLC | MURRELLS INLET | SC | FAMILY PRACTICE | 230 | 813 | $38,579 | $47 | premium | 3.4% | (843) 652-8450 |
| 100 | SHANE SPEIRS MD PC | MODESTO | CA | FAMILY PRACTICE | 13 | 811 | $6,466 | $8 | premium | 0.6% | (209) 524-1264 |
Showing the top 100 of 2,469 groups — the full ranking is part of the market analytics platform — built, not launched yet. Notify me at launch →
*Share of the state's disclosed Medicare-FFS services for the primary code, counted once per clinician. "St" is the state the volume was billed from: a group appears in each state where its clinicians bill Medicare, with that state's volume and share ("City" is the group's registered location). Group figures sum clinicians affiliated with exactly one group; clinicians in several groups are listed in each group's drill-down but not volume-attributed to any single group, so shares reflect attributable volume. See Methods.
Comparing against an all-payer estimate?
These are exact counts from Medicare fee-for-service claims — roughly a third to half of most procedure markets, depending on payer mix. Modeled all-payer databases project the remainder statistically; we publish the audited floor and label it as such. Same market, different denominator. How the numbers reconcile →